Inventor
NOJIMA KAZUO
JP16 patents
Patents
16 patentsUS5384628AJan 24, 1995
Developing device for image forming equipment
RICOH KK67 citations94
US5761581AJun 2, 1998
Image forming apparatus charging member formed of sequential overlying layers of elastic material
RICOH KK30 citations92
US5741616AApr 21, 1998
Method of developing latent electrostatic images and developer-bearing member
RICOH KK51 citations92
US5499078AMar 12, 1996
Charge roller and image forming apparatus using the same
RICOH KK35 citations92
US4994319AFeb 19, 1991
Member for developing electrostatic latent images
RICOH KK22 citations92
US4958193ASep 18, 1990
Member for developing electrostatic latent images
RICOH KK25 citations92
US5786091AJul 28, 1998
Charge roller for an image forming apparatus
RICOH KK32 citations91
US5479243ADec 26, 1995
Image forming apparatus and charging device thereof
RICOH KK24 citations91
US4702964AOct 27, 1987
Fixing roll
RICOH KK19 citations82
US4603087AJul 29, 1986
Fixing roll
RICOH KK20 citations82
US4833058AMay 23, 1989
Developing apparatus
RICOH KK18 citations73
US5689770ANov 18, 1997
Image forming apparatus which maintains a temperature of a charge roller
RICOH KK7 citations72
US4908665AMar 13, 1990
Developer carrier containing electrically conductive filler present in a resin coating layer for use in dry-type image developing device
RICOH KK15 citations72
US5497219AMar 5, 1996
Charge rollers having improved layer structure and/or surface characteristics in an image forming apparatus
RICOH KK16 citations69
USRE37429EOct 30, 2001
Member for developing electrostatic latent images
RICOH KK2 citations63
US5881344AMar 9, 1999
Image forming apparatus and charging device thereof
RICOH KK3 citations61